package javaweb.filter;
import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
/**
 * @author shkstart
 * @creat -08-09 21:55
 */
public class ManagerFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest httpServletRequest=(HttpServletRequest) servletRequest;
        Object user = httpServletRequest.getSession().getAttribute("user");
        if (user==null){
            httpServletRequest.getRequestDispatcher("/pages/user/login.jsp").forward(servletRequest,servletResponse);
        }else {
            filterChain.doFilter(servletRequest,servletResponse);
        }
    }
    @Override
    public void destroy() {

    }
}
